Fractions + expression of a variable from the formula - practice problems
Number of problems found: 344
- Three chefs
Let's say you have 3 Chefs that have made 14 cakes in 8 hours. Assuming they are working at the same efficiency, how many hours does it take 10 Chefs to bake 24 cakes? (Rounded to the nearest hour) - Mixed numbers equation
4 5/9 is the same as the sum of 2 1/3 and 5/6 times a number. What is the number? Enter your answer as a mixed number in simplest form in the box. - Orange juice
Water and orange are mixed in a ratio of 7:4. An amount of 36 cm³ of orange is used. What volume of water is used? - 13 times 1/3 times the sum of a number, and 2.6 is 4.9. What is the number? Enter your answer as a simplified mixed number in the box.
- Pupils - boys and girls
5/8 of the pupils in a hall were boys. 7/10 of the boys wore glasses. 48 boys didn't wear glasses. How many pupils were there in the hall? - Repeating to infinity
How do I express 0.99999999… as a fraction? (nine repeating) Another questions: Can you write .9999 repeating as a fraction? How do you turn 0.9 repeating into a fraction? - Work
2/5 of the employees in a company drive to work, 1/3 travel by bus, and the rest walk. Find the fraction of those who walk. - Evaluate 37
Evaluate the function K(x) = 2x²+3x-2 what is the value of K(½) - The bill 2
I paid 3/5 of the bill. If 400 USD of the bill is still due, what was the total amount of the bill?
- Mother‘s Mother's weight is 50 kg, 0.5 times his weight, which is exactly 3/2 of the weight of the older sister. How many kilograms does the older sister weigh?
- The proportion
The proportion's first, second, and third terms are 4, 20, and 13. Find the fourth term. - Difference and sum If the difference of 19/13 and his answer is 6/7, Bruno's answer is: If the sum of his answer and 6/7 is 1/2, Bruno's answer is: If his answer is the sum of 19/13 and 6/7, Bruno's answer is :
- Solve 22
Solve the equation with two ratios: x:14=28:196 - Express 71
Express 2 minutes 30 seconds as a fraction of 3/4 hours.
- The product 10
The product of two numbers is 40. If one of the numbers is 8/15, what is the other number? - Unknown var N
Five-eights of a number, N, is 50. What is the value of N? - NYC block
Bijan wants to go running during his family's vacation to New York City. To do so, he will run a neighborhood block 20 times. Bijan runs a total of 8 miles. The block has a length of 3/20 miles. Use the formula for the perimeter of the neighborhood block - Nisha
Nisha likes to make small rectangular paintings of cats. One of her paintings has an area of 33cm squared and a width of 7 1/2 centimeters. What is the height of this painting? - An electorate
In an electorate, 3/4 th of the voters are Tamils. Of the remaining 2/3 rd are Muslims, and the others are Sinhalese. If the number of Sinhalese in that electorate is 587, find the number of voters in that electorate.
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